3  * Lynx PCS MDIO helpers
8 #include <linux/pcs-lynx.h>
10 #define SGMII_CLOCK_PERIOD_NS		8 /* PCS is clocked at 125 MHz */
31 #define phylink_pcs_to_lynx(pl_pcs) container_of((pl_pcs), struct lynx_pcs, pcs)
33 static void lynx_pcs_get_state_usxgmii(struct mdio_device *pcs,  in lynx_pcs_get_state_usxgmii()  argument
36 	struct mii_bus *bus = pcs->bus;  in lynx_pcs_get_state_usxgmii()
37 	int addr = pcs->addr;  in lynx_pcs_get_state_usxgmii()
56 static void lynx_pcs_get_state_2500basex(struct mdio_device *pcs,  in lynx_pcs_get_state_2500basex()  argument
59 	struct mii_bus *bus = pcs->bus;  in lynx_pcs_get_state_2500basex()
60 	int addr = pcs->addr;  in lynx_pcs_get_state_2500basex()
80 static void lynx_pcs_get_state(struct phylink_pcs *pcs,  in lynx_pcs_get_state()  argument
83 	struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs);  in lynx_pcs_get_state()
111 static int lynx_pcs_config_sgmii(struct mdio_device *pcs, unsigned int mode,  in lynx_pcs_config_sgmii()  argument
114 	struct mii_bus *bus = pcs->bus;  in lynx_pcs_config_sgmii()
115 	int addr = pcs->addr;  in lynx_pcs_config_sgmii()
136 	return phylink_mii_c22_pcs_config(pcs, mode, PHY_INTERFACE_MODE_SGMII,  in lynx_pcs_config_sgmii()
140 static int lynx_pcs_config_usxgmii(struct mdio_device *pcs, unsigned int mode,  in lynx_pcs_config_usxgmii()  argument
143 	struct mii_bus *bus = pcs->bus;  in lynx_pcs_config_usxgmii()
144 	int addr = pcs->addr;  in lynx_pcs_config_usxgmii()
147 		dev_err(&pcs->dev, "USXGMII only supports in-band AN for now\n");  in lynx_pcs_config_usxgmii()
158 static int lynx_pcs_config(struct phylink_pcs *pcs, unsigned int mode,  in lynx_pcs_config()  argument
163 	struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs);  in lynx_pcs_config()
188 static void lynx_pcs_link_up_sgmii(struct mdio_device *pcs, unsigned int mode,  in lynx_pcs_link_up_sgmii()  argument
191 	struct mii_bus *bus = pcs->bus;  in lynx_pcs_link_up_sgmii()
193 	int addr = pcs->addr;  in lynx_pcs_link_up_sgmii()
195 	/* The PCS needs to be configured manually only  in lynx_pcs_link_up_sgmii()
218 		dev_err(&pcs->dev, "Invalid PCS speed %d\n", speed);  in lynx_pcs_link_up_sgmii()
244 static void lynx_pcs_link_up_2500basex(struct mdio_device *pcs,  in lynx_pcs_link_up_2500basex()  argument
248 	struct mii_bus *bus = pcs->bus;  in lynx_pcs_link_up_2500basex()
249 	int addr = pcs->addr;  in lynx_pcs_link_up_2500basex()
253 		dev_err(&pcs->dev, "AN not supported for 2500BaseX\n");  in lynx_pcs_link_up_2500basex()
266 static void lynx_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode,  in lynx_pcs_link_up()  argument
270 	struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs);  in lynx_pcs_link_up()
305 	lynx_pcs->pcs.ops = &lynx_pcs_phylink_ops;  in lynx_pcs_create()
306 	lynx_pcs->pcs.poll = true;  in lynx_pcs_create()
312 void lynx_pcs_destroy(struct lynx_pcs *pcs)  in lynx_pcs_destroy()  argument
314 	kfree(pcs);  in lynx_pcs_destroy()